NASA's New Horizons spacecraft has traveled so far from Earth that the relative position of the stars is beginning to shift — ...

World Asteroid Day is observed every year on June 30 to raise awareness about asteroids and the potential hazards they pose ...

NPR's science podcast Short Wave shares how taking a nap can deliver a eureka moment, a new picture of a planet right after ...

A physicist solves an old thermodynamic puzzle and demonstrates directly from the second law that entropy disappears at ...

Samples from a new site place the rocks at approximately 4.16 billion years old, in the earliest period of Earth's history.